Study illuminates big performance gap for car headlights

Mar 30, 2016 8:39 AM by Cheryl Wengren

WASHINGTON (AP) - There may be a reason why people have trouble seeing while driving at night, and it's not their eyesight. A new rating of the headlights of more than 30 midsized car models gives only one model a grade of "good."

The study by the Insurance Institute for Highway Safety says that of the rest, about a third are rated "acceptable," a third "marginal" and a third "poor." It says the difference between the top- and bottom-rated models for a driver's ability to see down a dark road was substantial.

The Toyota Prius V LED headlights, available only in the top trim line, are the only headlights to get the "good" rating. At the bottom are the halogen headlights in the BMW 3 series.


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